Lumbar Nerve Root Block woes.
Sorry to hear of all this pain! I had lower back pain and sciatica for close to 20 years, and it ended up with a double discectomy at the L4/L5/S1 levels. All was good for a while, including a bout of really good Physio. However, pain slowly crept back into my life and a year ago I resigned myself to further surgery.
Was doing my usual research when I came across a book by Dr Sarno, 'Heal Your Back Pain'. Read it and slowly but surely the pain subsided, and a month later I was 95% pain-free. It's been a year since I took a tablet for back pain.
This may not work for everyone, but as has been mentioned above surgery can lead to further complications. there is quite a bit about Dr Sarno and his work on back pain online. Worth a look - it's free! BTW, I was purely a fellow sufferer - I gain nothing from spreading the word!
Best of luck